Shrubs or trees, 1-4 m tall. Branches golden yellow, shiny; branchlets pubescent. Stipules spinelike, 3-7 mm. Leaves pinnate, 12-16-foliolate; petiole and rachis 3-5 cm, caducous; leaflet blades lanceolate to narrowly oblong, 7-8 × 2-7 mm, whitish, both surfaces densely appressed sericeous, apex acute to obtuse. Flowers solitary. Pedicel 0.6-1.5 cm, articulate apically. Calyx tube tubular-campanulate, 8-9 mm. Corolla 2-2.3 cm; standard broadly ovate to suborbicular, claw short, apex truncate to slightly emarginate; wings with claw slightly shorter than limb, auricle small and dentiform; keel with long claw, auricle very small. Ovary glabrous. Legume lanceolate, 2-2.5 cm × 6-7 mm, flat. Fl. May-Jun, fr. Jun-Jul. 2n = 16.
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